sh_eth: reuse sh_eth_chip_reset()

All the chip_reset() methods repeat the code writing to the ARSTR register
and delaying for 1 ms, so that we can reuse sh_eth_chip_reset() twice.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 23678e7..04cd39f 100644 (file)
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -537,11 +537,7 @@ static struct sh_eth_cpu_data r7s72100_data = {
 
 static void sh_eth_chip_reset_r8a7740(struct net_device *ndev)
 {
-       struct sh_eth_private *mdp = netdev_priv(ndev);
-
-       /* reset device */
-       sh_eth_tsu_write(mdp, ARSTR_ARST, ARSTR);
-       mdelay(1);
+       sh_eth_chip_reset(ndev);
 
        sh_eth_select_mii(ndev);
 }
@@ -725,7 +721,6 @@ static struct sh_eth_cpu_data sh7757_data = {
 #define GIGA_MAHR(port)                (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c0)
 static void sh_eth_chip_reset_giga(struct net_device *ndev)
 {
-       struct sh_eth_private *mdp = netdev_priv(ndev);
        u32 mahr[2], malr[2];
        int i;
 
@@ -735,9 +730,7 @@ static void sh_eth_chip_reset_giga(struct net_device *ndev)
                mahr[i] = ioread32((void *)GIGA_MAHR(i));
        }
 
-       /* reset device */
-       sh_eth_tsu_write(mdp, ARSTR_ARST, ARSTR);
-       mdelay(1);
+       sh_eth_chip_reset(ndev);
 
        /* restore MAHR and MALR */
        for (i = 0; i < 2; i++) {